Finding the Fourth Proportional to 1,842,531.20, 2,542,659.36 and 1,037,715.20
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Solution
The fourth proportional to 1,842,531.20, 2,542,659.36 and 1,037,715.20 is: 1,432,028.00
Step by Step Solution
- Step 1: Write the proportion equation
1,842,531.20 : 2,542,659.36 = 1,037,715.20 : x - Step 2: Convert to fraction form
1,842,531.20/2,542,659.36 = 1,037,715.20/x - Step 3: Cross multiply
1,842,531.20x = 2,542,659.36 × 1,037,715.20 - Step 4: Simplify right side
1,842,531.20x = 2,638,556,266,294.27 - Step 5: Solve for x
x = 2,638,556,266,294.27/1,842,531.20 - Step 6: Final answer
x = 1,432,028.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.